... . It is the advanced, ideal vacuum transporting machine for powder material, granule material or the mixture ... the material into the hopper of the packing machine, granulator, pulverizer, etc, also into the ... 1unit4,Reverse-blow system of compressed air 1set5,pneumatic discharging valve (SS304) 1unit 6,control system 1set7 ... .56000Application: Automatically Electric Powder Vacuum Feeding Machine